package com.example.myapplication5.utils

import kotlin.random.Random

object RandomUtil {
    private val CHARS= arrayOf("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","A","B","C","D"
        ,"E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","1","2","3","4","5","6","7","8","9","0")

    fun randomString(len:Int=6):String{
        val randStr =StringBuilder()
        for (i in 0 .. len) {
            randStr.append(CHARS.random(Random(System.currentTimeMillis())))
        }
        return randStr.toString()
    }
}